This issue has been fixed upstream in the 2016-01-10-beta version.

--- INIT.2012-08-01.old/src/cmd/ksh93/sh/jobs.c 2015-10-30 05:05:17.556367591 -0700

+++ INIT.2012-08-01.new/src/cmd/ksh93/sh/jobs.c 2016-02-23 04:23:52.229101513 -0800

@@ -58,6 +58,7 @@

struct jobsave *next;

pid_t pid;

unsigned short exitval;

+ unsigned short env;

};

static struct jobsave *job_savelist;

@@ -133,7 +134,7 @@

#define P_BG 01000

#endif /* SHOPT_BGX */

-static int job_chksave(pid_t);

+static int job_chksave(pid_t,long);

static struct process *job_bypid(pid_t);

static struct process *job_byjid(int);

static char *job_sigmsg(int);

@@ -233,9 +234,9 @@

static struct jobsave *jobsave_create(pid_t pid)

{

register struct jobsave *jp = job_savelist;

- job_chksave(pid);

+ job_chksave(pid,-1);

if(++bck.count > shgd->lim.child_max)

- job_chksave(0);

+ job_chksave(0,-1);

if(jp)

{

njob_savelist--;

@@ -425,7 +426,7 @@

if(pid<=0)

break;

if(wstat==0)

- job_chksave(pid);

+ job_chksave(pid,-1);

flags |= WNOHANG;

job.waitsafe++;

jp = 0;

@@ -1393,7 +1394,7 @@

else

pw->p_name = -1;

#endif /* JOBS */

- if ((val = job_chksave(pid))>=0 && !jobfork)

+ if ((val = job_chksave(pid,pw->p_env))>=0 && !jobfork)

{

pw->p_exit = val;

if(pw->p_exit==SH_STOPSIG)

@@ -1515,7 +1516,7 @@

if(!(pw=job_bypid(pid)))

{

/* check to see whether job status has been saved */

- if((shp->exitval = job_chksave(pid)) < 0)

+ if((shp->exitval = job_chksave(pid,shp->curenv)) < 0)

shp->exitval = ERROR_NOENT;

exitset();

job_unlock();

@@ -1937,7 +1938,7 @@

* if pid==0, then oldest saved process is deleted

* If pid is not found a -1 is returned.

*/

-static int job_chksave(register pid_t pid)

+static int job_chksave(register pid_t pid, long env)

{

register struct jobsave *jp = bck.list, *jpold=0;

register int r= -1;

@@ -1957,9 +1958,10 @@

{

count = bp->count;

jp = bp->list;

+ jpold = 0;

goto again;

}

- if(jp)

+ if(jp && (env<0 || jp->env==env))

{

r = 0;

if(pid)

@@ -1996,15 +1998,18 @@

void job_subrestore(void* ptr)

{

- register struct jobsave *jp;

+ register struct jobsave *jp,*jpnext;

register struct back_save *bp = (struct back_save*)ptr;

register struct process *pw, *px, *pwnext;

struct jobsave *end=NULL;

+ int i=0;

job_lock();

- for(jp=bck.list; jp; jp=jp->next)

+ for(jp=bck.list; jp; jp=jpnext,i++)

{

- if (!jp->next)

+ if (!(jpnext=jp->next) || jp==jpnext)

end = jp;

+ if(i>=shgd->lim.child_max)

+ break;

}

if(end)

end->next = bp->list;

@@ -2013,7 +2018,7 @@

bck.count += bp->count;

bck.prev = bp->prev;

while(bck.count > shgd->lim.child_max)

- job_chksave(0);

+ job_chksave(0,-1);

for(pw=job.pwlist; pw; pw=pwnext)

{

pwnext = pw->p_nxtjob;

@@ -2051,7 +2056,7 @@

job.in_critical = 0;

break;

default:

- job_chksave(parent);

+ job_chksave(parent,-1);

jobfork=0;

job_unlock();

break;